21471200

素因数分解:

$2^5\times 5^2\times {\mathrm{26839}}^1$

素因数の和:26859

約数の個数: 36

約数和(自身を含む): 52418520

約数和(自身を除く): 30947320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 26839, 53678, 107356, 134195, 214712, 268390, 429424, 536780, 670975, 858848, 1073560, 1341950, 2147120, 2683900, 4294240, 5367800, 10735600, 21471200]

約数ペア:

[(1, 21471200), (2, 10735600), (4, 5367800), (5, 4294240), (8, 2683900), (10, 2147120), (16, 1341950), (20, 1073560), (25, 858848), (32, 670975), (40, 536780), (50, 429424), (80, 268390), (100, 214712), (160, 134195), (200, 107356), (400, 53678), (800, 26839)]